Efficient pesticide containing methidathion, tolfenpyrad and empenthrin
A technology of pyrenpyrad and diphenthrin, applied in the direction of insecticides, acaricides, biocides, etc., can solve instability and other problems, achieve the effect of reducing dosage, reducing use cost, and significant killing effect
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Embodiment 1
[0056] The present invention contains the emulsifiable concentrate preparation of the high-efficiency insecticide of dimethyphos, tolfenpyrad and diphenthrin, and the specific composition is as follows (1000g per part):
[0057] Methifen: 10 parts; Tofenpyramid: 20 parts; Diphenthrin: 20 parts;
[0058] The specific production steps of the emulsifiable concentrate preparation are as follows: firstly, the active ingredients trimethafos, tofenpyrad and diphenthrin are added into the solvent according to the conventional procedures in the field to completely dissolve, and then the emulsifier and the synergist are added and stirred evenly to form a uniform and transparent The oily liquid can be filled into an emulsifiable concentrate preparation of the composition of the present invention.
Embodiment 2
[0060] The present invention contains the suspending agent of the high-efficiency insecticide of difenfos, tolfenpyrad and fenthrin, and the specific composition is as follows (every part of 1000g):
[0061] Methaphos: 50 parts; Fenpyramid: 40 parts; Diphenthrin: 60 parts;
[0062] The specific production steps of this suspending agent are the conventional suspending agent preparation method in the art, first other auxiliary agents (dispersant, antifreeze agent, thickener, defoamer, penetration enhancer and pH value regulator) are mixed, Shearing and mixing evenly, adding the effective ingredients of methapen, pyrenpyrrole and diphenthrin, and grinding the balls in a ball mill for 2 to 4 hours, so that the particle diameters are all below 5mm, and then the composition of the present invention can be prepared. Suspension formulations.
Embodiment 3
[0064] The present invention contains the water-dispersible granule of the high-efficiency insecticide of methapen, tolfenpyrad and diphenthrin, and the specific composition is as follows (1000g per part):
[0065] Methapon: 35 parts; Fenpyramid: 30 parts; Diphenthrin: 40 parts.
[0066]The specific production steps of the water-dispersible granules are the conventional preparation methods of water-dispersible granules in the art: according to the above formula, the active ingredients methapam, tofenpyramide, dimethrin, dispersant, wetting agent, disintegration The agent and the filler are mixed evenly, pulverized with an ultra-fine jet mill, kneaded, and then added to a fluidized bed granulation dryer for granulation, drying, and sieving. After sampling and analysis, the water content of the composition of the present invention can be made. Dispersible granules.
[0067] The medicaments prepared in Examples 1-3 of the present invention were tested in a field, and their contr...
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